The circuit shown is from 1994 National Semiconductor documentation but can be implemented with more modern operational amplifiers. The power supply must be symmetrical.
Found in a 1965 Motorola documentation, this circuit uses a neon lamp as a trigger element. The SCR...
We found this oscillator in a publication from the 1960s. The frequency is around 600 Hz with the...
Other operational amplifiers series, such as MC34072, MC34074, MC35071, MC35072, MC35074 d MC33071...